<!-- tsParticles container -->
<div id="tsparticles"></div>
<!-- https://github.com/matteobruni/tsparticles -->
<div class="github">
  <a class="btn btn-link" href="https://github.com/matteobruni/tsparticles" title="Find more info on GitHub">
    <img class="img-fluid" id="gh-mark" src="https://cdn.matteobruni.it/images/particles/GitHub-Mark-120px-plus.png" alt="">
    <span id="gh-project">Made with tsParticles</span>
  </a>
  <div>
    <a class="github-button" href="https://github.com/matteobruni/tsparticles" data-icon="octicon-star" data-show-count="true" aria-label="Star matteobruni/tsparticles on GitHub">Star</a>
    <a class="github-button" href="https://github.com/matteobruni/tsparticles/fork" data-icon="octicon-repo-forked" data-show-count="true" aria-label="Fork matteobruni/tsparticles on GitHub">Fork</a>
    <a class="github-button" href="https://github.com/matteobruni/tsparticles/releases/tag/tsparticles%401.17.9" data-icon="octicon-download" aria-label="Download matteobruni/tsparticles on GitHub">Download</a>
  </div>
</div>
<script async="" defer="" src="https://buttons.github.io/buttons.js"></script>

/* ---- reset ---- */
body {
  margin: 0;
  font: normal 75% Arial, Helvetica, sans-serif;
}
canvas {
  display: block;
  vertical-align: bottom;
}
/* ---- tsparticles container ---- */
#tsparticles {
  position: absolute;
  width: 100%;
  height: 100%;
  background-color: #000;
}

.github {
  bottom: 10px;
  right: 10px;
  position: fixed;
  border-radius: 10px;
  background: #fff;
  padding: 0 12px 6px 12px;
  border: 1px solid #000;
}

.github a:hover,
.github a:link,
.github a:visited,
.github a:active {
  color: #000;
  text-decoration: none;
}

.github img {
  height: 30px;
}

.github #gh-project {
  font-size: 20px;
  padding-left: 5px;
  font-weight: bold;
  vertical-align: bottom;
}

tsParticles
  .load("tsparticles", {
    particles: {
      move: {
        enable: true,
        speed: 0
      },
      links: {
        enable: true
      },
      number: {
        value: 0
      }
    }
  })
  .then(function (container) {
    let angleX = Math.floor(Math.random() * 360);
    setInterval(function () {
      const angle = (angleX * Math.PI) / 180;
      angleX += 5;

      if (angleX > 360) angleX -= 360;

      const particleSin = container.particles.addParticle(
        { x: 0, y: Math.sin(angle) * 100 + 200 },
        {
          color: {
            value: "#f00"
          },
          links: {
            id: "sin",
            enable: true,
            distance: 20,
            color: "random"
          },
          move: {
            enable: true,
            speed: 1,
            random: false,
            straight: true,
            direction: "right",
            outMode: "destroy"
          },
          size: {
            value: 1
          }
        }
      );

      const particleCos = container.particles.addParticle(
        { x: 0, y: Math.cos(angle) * 100 + 200 },
        {
          color: {
            value: "#fff"
          },
          links: {
            id: "cos",
            enable: true,
            distance: 20,
            color: "random"
          },
          move: {
            enable: true,
            speed: 1,
            straight: true,
            direction: "right",
            outMode: "destroy"
          },
          size: {
            value: 1
          }
        }
      );

      const particleTan = container.particles.addParticle(
        { x: 0, y: Math.tan(angle) * 100 + 200 },
        {
          color: {
            value: "#0f0"
          },
          links: {
            id: "tan",
            enable: true,
            distance: 35,
            color: "random"
          },
          move: {
            enable: true,
            speed: 1,
            straight: true,
            direction: "right",
            outMode: "destroy"
          },
          size: {
            value: 1
          }
        }
      );

      const particleAngle = container.particles.addParticle(
        { x: 0, y: Math.random() * angleX },
        {
          color: {
            value: "#00f",
            animation: {
              enable: true,
              speed: 50
            }
          },
          links: {
            enable: false
          },
          move: {
            enable: true,
            speed: 3,
            straight: true,
            direction: "right",
            outMode: "destroy"
          },
          size: {
            value: 5,
            random: true
          }
        }
      );
    }, 100);
  });